diff --git a/src/compiler/compile/Component.ts b/src/compiler/compile/Component.ts
index e56aef888b..f7d8e8f568 100644
--- a/src/compiler/compile/Component.ts
+++ b/src/compiler/compile/Component.ts
@@ -802,7 +802,7 @@ export default class Component {
 							enter(node: Node, parent: Node) {
 								if (node.type === 'Identifier' &&
 									parent.type !== 'MemberExpression' &&
-									(parent.type !== "AssignmentPattern" || parent.right !== node)) {
+									(parent.type !== 'AssignmentPattern' || parent.right !== node)) {
 										names.push(node.name);
 								}
 							}